@article{KellerPinchoverPogorzelski2018,
  author    = {Matthias Keller and Yehuda Pinchover and Felix Pogorzelski},
  title     = {Optimal Hardy inequalities for Schrodinger operators on graphs},
  journal   = {Communications in mathematical physics},
  volume    = {358},
  number    = {2},
  pages     = {767 -- 790},
  doi       = {10.1007/s00220-018-3107-y},
  year      = {2018},
}